:root {
  --ink: #edf7f6;
  --muted: #9fb7b5;
  --dark: #07100f;
  --panel: #0e1c1a;
  --panel-2: #132725;
  --line: rgba(237, 247, 246, 0.14);
  --signal: #55f0c2;
  --amber: #f0c15a;
  --danger: #e95d5d;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { background: var(--dark); color: var(--ink); margin: 0; }
a { color: inherit; }

.header {
  align-items: center;
  background: rgba(7, 16, 15, 0.86);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem clamp(1rem, 5vw, 4rem);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand {
  align-items: center;
  display: flex;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-mark {
  background: var(--signal);
  border-radius: 8px;
  color: #07100f;
  display: grid;
  font-weight: 950;
  height: 44px;
  place-items: center;
  width: 44px;
}

.brand strong,
.brand small { display: block; }
.brand small, p { color: var(--muted); }
.nav { align-items: center; display: flex; gap: 1rem; font-weight: 850; }
.nav a { text-decoration: none; }

.button,
.button-dark {
  align-items: center;
  border-radius: 8px;
  display: inline-flex;
  font-weight: 950;
  justify-content: center;
  min-height: 48px;
  padding: 0.85rem 1.1rem;
  text-decoration: none;
}
.button { background: var(--signal); color: #07100f; }
.button-dark { background: var(--panel-2); border: 1px solid var(--line); color: #fff; }

.hero {
  background:
    radial-gradient(circle at 70% 25%, rgba(85, 240, 194, 0.16), transparent 28rem),
    linear-gradient(135deg, #07100f, #10211f 54%, #07100f);
  overflow: hidden;
  padding: clamp(4rem, 8vw, 7rem) clamp(1rem, 5vw, 4rem);
}

.hero-grid {
  align-items: center;
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  grid-template-columns: minmax(0, 1fr) minmax(320px, 470px);
  margin: 0 auto;
  max-width: 1240px;
  min-height: 76vh;
}

.eyebrow {
  color: var(--signal);
  font-size: 0.78rem;
  font-weight: 950;
  letter-spacing: 0.16em;
  margin: 0 0 1rem;
  text-transform: uppercase;
}

h1, h2, h3 { letter-spacing: 0; margin: 0; }
h1 { font-size: clamp(3.05rem, 6.7vw, 6.3rem); line-height: 0.92; max-width: 860px; }
h1 span { color: var(--signal); }
.hero p { color: rgba(237, 247, 246, 0.75); font-size: clamp(1.05rem, 1.7vw, 1.24rem); line-height: 1.6; max-width: 650px; }
.hero-actions, .security-tags { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.survey-routes {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 1.1rem 0 0;
  max-width: 680px;
}
.survey-routes a {
  background: rgba(237, 247, 246, 0.08);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #fff;
  display: grid;
  gap: 0.2rem;
  padding: 0.9rem;
  text-decoration: none;
}
.survey-routes span { color: var(--muted); font-size: 0.85rem; font-weight: 800; }
.security-tags { margin-top: 1.35rem; }
.security-tags span { border: 1px solid var(--line); border-radius: 999px; color: rgba(237, 247, 246, 0.82); font-weight: 850; padding: 0.64rem 0.85rem; }

.monitor-panel {
  background: rgba(14, 28, 26, 0.94);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.28);
  overflow: hidden;
}
.monitor-top {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  padding: 1rem;
}
.live-dot {
  align-items: center;
  color: var(--signal);
  display: inline-flex;
  gap: 0.45rem;
  font-weight: 900;
}
.live-dot::before {
  background: var(--signal);
  border-radius: 50%;
  content: "";
  height: 10px;
  width: 10px;
}
.camera-grid {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: 1rem;
}
.camera {
  background:
    linear-gradient(rgba(85, 240, 194, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(85, 240, 194, 0.08) 1px, transparent 1px),
    #091413;
  background-size: 20px 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 120px;
  padding: 0.85rem;
}
.camera strong { display: block; margin-bottom: 2.6rem; }
.camera span { color: var(--signal); font-weight: 850; }
.monitor-cta { border-top: 1px solid var(--line); padding: 1rem; }

.section { padding: clamp(3rem, 7vw, 6rem) clamp(1rem, 5vw, 4rem); }
.section-inner { margin: 0 auto; max-width: 1220px; }
.section-title { display: grid; gap: 1rem; grid-template-columns: minmax(0, 0.86fr) minmax(280px, 0.55fr); margin-bottom: 1.5rem; }
.section-title h2 { font-size: clamp(2.5rem, 5vw, 5.3rem); line-height: 0.92; }
.section-title p, .service-card p, .proof-card p, .review-card p { color: var(--muted); line-height: 1.58; }

.service-grid, .proof-grid, .review-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.service-card, .proof-card, .review-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.2rem;
}
.service-card span { color: var(--signal); font-weight: 950; }
.service-card h3 { font-size: 1.45rem; margin: 0.8rem 0 0.55rem; }
.proof-band { background: #0b1716; }
.proof-card strong { color: var(--amber); display: block; font-size: clamp(2rem, 4vw, 4rem); line-height: 1; margin-bottom: 0.6rem; }
.review-card h3 { color: var(--signal); font-size: 1.1rem; margin-bottom: 0.55rem; }
.cta { background: var(--signal); color: #07100f; }
.cta-panel { align-items: center; display: grid; gap: 1rem; grid-template-columns: minmax(0, 1fr) auto; }
.cta h2 { font-size: clamp(2.6rem, 5vw, 5.2rem); line-height: 0.92; }
.footer { border-top: 1px solid var(--line); padding: 1.5rem clamp(1rem, 5vw, 4rem); }
.footer-inner { display: flex; justify-content: space-between; gap: 1rem; margin: 0 auto; max-width: 1220px; }
.sticky-mobile-book { display: none; }

@media (max-width: 860px) {
  body { padding-bottom: 82px; }
  .nav { display: none; }
  .hero-grid, .section-title, .service-grid, .proof-grid, .review-grid, .cta-panel { grid-template-columns: 1fr; }
  h1 { font-size: clamp(2.65rem, 11vw, 3.55rem); }
  .survey-routes { grid-template-columns: 1fr; }
  .button, .button-dark { width: 100%; }
  .sticky-mobile-book {
    background: rgba(7, 16, 15, 0.96);
    border-top: 1px solid var(--line);
    bottom: 0;
    display: grid;
    gap: 0.6rem;
    grid-template-columns: 1fr 1fr;
    left: 0;
    padding: 0.7rem;
    position: fixed;
    right: 0;
    z-index: 30;
  }
  .sticky-mobile-book .button,
  .sticky-mobile-book .button-dark { min-height: 50px; padding-left: 0.6rem; padding-right: 0.6rem; }
}